From 95afaeb5e46c5d71d72683c7b5dfd989425782f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20A=2E=20S=C3=A1nchez=20L=C3=B3pez?=
 <esanchez@yaco.es>
Date: Thu, 8 Jul 2010 09:23:43 +0000
Subject: [PATCH] Accounts authorized to sumbit liaison statements. See #343  -
 Legacy-Id: 2331

---
 ietf/liaisons/accounts.py   | 45 +++++++++++++++++++++++++++++++++++++
 ietf/liaisons/decorators.py | 14 ++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 ietf/liaisons/accounts.py
 create mode 100644 ietf/liaisons/decorators.py

diff --git a/ietf/liaisons/accounts.py b/ietf/liaisons/accounts.py
new file mode 100644
index 000000000..3442decf6
--- /dev/null
+++ b/ietf/liaisons/accounts.py
@@ -0,0 +1,45 @@
+from ietf.idtracker.models import Role
+
+
+def get_person_for_user(user):
+    return user.get_profile().person()
+
+
+def is_areadirector(person):
+    return bool(person.areadirector_set.all())
+
+
+def is_wgchair(person):
+    return bool(person.wgchair_set.all())
+
+
+def is_wgsecretary(person):
+    return bool(person.wgsecretary_set.all())
+
+
+def has_role(person, role):
+    return bool(person.role_set.filter(pk=role))
+
+
+def is_ietfchair(person):
+    return has_role(person, Role.IETF_CHAIR)
+
+
+def is_iabchair(person):
+    return has_role(person, Role.IAB_CHAIR)
+
+
+def is_iab_executive_director(person):
+    return has_role(person, Role.IAB_EXCUTIVE_DIRECTOR)
+
+
+def can_add_liaison(user):
+    person = get_person_for_user(user)
+    if not person:
+        return False
+
+    if (is_areadirector(person) or is_wgchair(person) or
+        is_wgsecretary(person) or is_ietfchair(person) or
+        is_iabchair(person) or is_iab_executive_director(person)):
+        return True
+    return False
diff --git a/ietf/liaisons/decorators.py b/ietf/liaisons/decorators.py
new file mode 100644
index 000000000..4b48ad90b
--- /dev/null
+++ b/ietf/liaisons/decorators.py
@@ -0,0 +1,14 @@
+from ietf.ietfauth.decorators import _CheckLogin403
+from ietf.liaisons.accounts import can_add_liaison
+
+
+def can_submit_liaison(view_func=None):
+
+    def decorate(view_func):
+        return _CheckLogin403(
+            view_func,
+            lambda u: can_add_liaison(u),
+            "Restricted to participants who are authorized to submit liaison statements on behalf of the various IETF entities")
+    if view_func:
+        return decorate(view_func)
+    return decorate